FordPartsGiant.com offers the wholesale prices for genuine 2005 Ford Mustang parts. Parts like Side Panels - Inner are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.8L DOHC SC. Transmission: 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650.